/* SPDX-License-Identifier: GPL-2.0+ */
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/* Copyright (C) 2004 Texas Instruments */
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/*
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* This OTG and Embedded Host list is "Targeted Peripheral List".
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* It should mostly use of USB_DEVICE() or USB_DEVICE_VER() entries..
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*
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* YOU _SHOULD_ CHANGE THIS LIST TO MATCH YOUR PRODUCT AND ITS TESTING!
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*/
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static struct usb_device_id productlist_table[] = {
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/* hubs are optional in OTG, but very handy ... */
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{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 0), },
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{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 1), },
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#ifdef CONFIG_USB_PRINTER /* ignoring nonstatic linkage! */
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/* FIXME actually, printers are NOT supposed to use device classes;
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* they're supposed to use interface classes...
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*/
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{ USB_DEVICE_INFO(7, 1, 1) },
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{ USB_DEVICE_INFO(7, 1, 2) },
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{ USB_DEVICE_INFO(7, 1, 3) },
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#endif
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#ifdef CONFIG_USB_NET_CDCETHER
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/* Linux-USB CDC Ethernet gadget */
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{ USB_DEVICE(0x0525, 0xa4a1), },
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/* Linux-USB CDC Ethernet + RNDIS gadget */
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{ USB_DEVICE(0x0525, 0xa4a2), },
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#endif
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#if IS_ENABLED(CONFIG_USB_TEST)
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/* gadget zero, for testing */
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{ USB_DEVICE(0x0525, 0xa4a0), },
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#endif
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{ } /* Terminating entry */
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};
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static int is_targeted(struct usb_device *dev)
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{
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struct usb_device_id *id = productlist_table;
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/* HNP test device is _never_ targeted (see OTG spec 6.6.6) */
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if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
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le16_to_cpu(dev->descriptor.idProduct) == 0xbadd))
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return 0;
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/* OTG PET device is always targeted (see OTG 2.0 ECN 6.4.2) */
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if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
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le16_to_cpu(dev->descriptor.idProduct) == 0x0200))
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return 1;
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/* NOTE: can't use usb_match_id() since interface caches
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* aren't set up yet. this is cut/paste from that code.
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*/
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for (id = productlist_table; id->match_flags; id++) {
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if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
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id->idVendor != le16_to_cpu(dev->descriptor.idVendor))
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continue;
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if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) &&
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id->idProduct != le16_to_cpu(dev->descriptor.idProduct))
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continue;
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/* No need to test id->bcdDevice_lo != 0, since 0 is never
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greater than any unsigned number. */
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if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) &&
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(id->bcdDevice_lo > le16_to_cpu(dev->descriptor.bcdDevice)))
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continue;
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if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) &&
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(id->bcdDevice_hi < le16_to_cpu(dev->descriptor.bcdDevice)))
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continue;
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if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) &&
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(id->bDeviceClass != dev->descriptor.bDeviceClass))
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continue;
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if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) &&
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(id->bDeviceSubClass != dev->descriptor.bDeviceSubClass))
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continue;
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if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) &&
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(id->bDeviceProtocol != dev->descriptor.bDeviceProtocol))
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continue;
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return 1;
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}
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/* add other match criteria here ... */
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/* OTG MESSAGE: report errors here, customize to match your product */
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dev_err(&dev->dev, "device v%04x p%04x is not supported\n",
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le16_to_cpu(dev->descriptor.idVendor),
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le16_to_cpu(dev->descriptor.idProduct));
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return 0;
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}
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